.notification {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    padding: 1rem 2rem;
    border-radius: 8px;
    color: white;
    max-width: 500px;
    min-width: 300px;
    z-index: 1000;
    transition: all 0.3s ease;
    opacity: 1;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.notification.success { 
    background: rgba(76, 175, 80, 0.95);
}

.notification.error { 
    background: rgba(244, 67, 54, 0.95);
}

.notification.warning {
    background: rgba(255, 152, 0, 0.95);
}

.notification.info {
    background: rgba(33, 150, 243, 0.95);
}

.notification.hidden { 
    opacity: 0;
    transform: translate(-50%, 100%);
    pointer-events: none;
}